Hot-reload for #rustlang just got better. Thanks to plenty of feedback I released v0.5 of github.com/rksm/hot-lib-r…. It adds a new mechanism for defining hot-reloadable code that reduces boilerplate considerably.
The #[hot_module] attribute macro now provides a way to create a module that is 1:1 replaceable with a static version. The wrapped functions from the library are automatically reloaded when the library changes. No more manual updates. Here is how a simple example looks like: 
Also the documentation was rewritten and extended. Check it out here: docs.rs/hot-lib-reload…. The hot-lib-reloader repository also has more examples now.
In addition it is now possible to react to library reloads, for example to trigger reruns or drive a main loop.
And finally the last piece, be informed before the dylib changes happen and have control over when the update should run. More details at github.com/rksm/hot-lib-r… and a full blown async serialization/deserialization example is at github.com/rksm/hot-lib-r…
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